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Drainage Design Manual, Hydrology - Flood Control District of ...

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<strong>Drainage</strong> <strong>Design</strong> <strong>Manual</strong> for Maricopa County<br />

<strong>Hydrology</strong>: Appendices<br />

Table B.1<br />

NOAA ATLAS 14 DEPTH-DURATION-FREQUENCY AT PHOENIX-SKY HARBOR<br />

Table B.2<br />

NOAA ATLAS 14 INTENSITY-DURATION-FREQUENCY AT PHOENIX-SKY HARBOR<br />

Values in Table B.2 are computed using values from Table B.1. For example, the 2-year 5-minute<br />

intensity for the 2-year 5-minute duration is computed as follows:<br />

0.24 inch<br />

= ------------- =<br />

5 min 5 -------------------------------------------------- =<br />

min ⁄ 60 min ⁄ hour<br />

2.88 inches ⁄ hour<br />

D<br />

i 25 ,<br />

25 ,<br />

B-2 August 15, 2013

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